期刊
APPLIED PHYSICS EXPRESS
卷 2, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1143/APEX.2.063003
关键词
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资金
- Nano-Materials Functionality Creation Research Project for Young Scientists
- Grant-in-Aid for Scientific Research on Priority Area Creation and control of spin current [19048004]
- Ministry of Education, Culture. Sports, Science and Technology, Japan [20760005]
- Grants-in-Aid for Scientific Research [20760005] Funding Source: KAKEN
Current-perpendicular-to-plane giant magnetoresistance(CPP-GMR) characteristics were investigated in a Co2MnSi (CMS)/Ag/CMS fully epitaxial device and compared to those in a CMS/Cr/CMS device systematically. Reflection high-energy electron diffraction and transmission electron microscopy images showed the two samples had no remarkable differences and little interdiffusion. The large spin-asymmetry of electron scattering was found at the CMS/Ag inteface compared with that at the CMS/Cr interface. Finally, the largest magneto-resistance (MR) ratio of 28.8% was observed at room temperature in the CMS/Ag/CMS CPP-GMR device. (C) 2009 The Japan Society of Applied Physics
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